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dynamo.cpp
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dynamo.cpp
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#include <dynamo.h>
//////////////////////////////////////////////////////////////////////////////////
//GLOBAL VARIABLES
//////////////////////////////////////////////////////////////////////////////////
/*D*/
char OPTIONS[100];
char OPTION;
char USAGE[1000];
int VERBOSITY;
real2 *XFit,*YFit,*EFit;
int NFit;
real2 (*FFit)(real2,pars);
/*D*/
//////////////////////////////////////////////////////////////////////////////////
//ROUTINES
//////////////////////////////////////////////////////////////////////////////////
//&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
//I/O
//&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
/*P*/
particles readGadget(char simulation[],char snapshot[],SHeader* sheader,
bool qsub/*=false=*/)
{
int i,j;
file fd,fp;
int dummy;
GHeader header;
char fsnap[FSIZE],fparam[FSIZE];
sprintf(fsnap,"%s_%s",simulation,snapshot);
////////////////////////////////////////////////////////////////////////
//READ DATA FILE
////////////////////////////////////////////////////////////////////////
fd=fileOpen(fsnap,"r");
////////////////////////////////////////////////////////////////////////
//READ HEADER
////////////////////////////////////////////////////////////////////////
DUMMY(fd);fread(&header,sizeof(GHeader),1,fd);DUMMY(fd);
sheader->z=header.redshift;
sheader->omegaL=header.OmegaLambda;
sheader->Ho=header.HubbleParam;
sheader->boxsize=header.BoxSize;
////////////////////////////////////////////////////////////////////////
//READ DATA FOR PARTICLES
////////////////////////////////////////////////////////////////////////
int ntot=0;
for(i=0;i<6;i++){
ntot+=header.npart_total[i];
sheader->npartg[i]=header.npart_total[i];
}
sheader->ntot=ntot;
particles parts;
parts=(particles)malloc(ntot*sizeof(particle));
//==================================================
//POSITION AND VELOCITIES
//==================================================
DUMMY(fd);
for(i=0;i<ntot;i++)
fread(&parts[i].pos,sizeof(real),3,fd);
DUMMY(fd);DUMMY(fd);
for(i=0;i<ntot;i++)
fread(&parts[i].vel,sizeof(real),3,fd);
DUMMY(fd);DUMMY(fd);
//==================================================
//IDS
//==================================================
for(i=0;i<ntot;i++)
fread(&parts[i].pid,sizeof(int),1,fd);
DUMMY(fd);
//==================================================
//MASSES
//==================================================
real mass,mtot,m;
i=0;
mtot=0;
for(int gtid=0;gtid<6;gtid++){
mass=0;
for(j=0;j<header.npart_total[gtid];j++){
if(header.mass[gtid]==0)
fread(&parts[i].m,sizeof(float),1,fd);
else
parts[i].m=header.mass[gtid];
parts[i].gtype=gtid;
parts[i].tid=gtid;
parts[i].sid=i;
m=parts[i].m;
mass+=m;
i++;
}
sheader->mtotg[gtid]=mass;
printf("Type %d, mass = %d x %e = %e\n",
gtid,header.npart_total[gtid],m,mass);
mtot+=mass;
}
printf("M.tot. = %e\n",
mtot);
sheader->mtot=mtot;
DUMMY(fd);
//BY DEFAULT SUBSTRUCTURES ARE THE SAME AS GADGET TYPES
sheader->nsubs=6;
for(i=0;i<6;i++){
sheader->stype[i]=i;
sprintf(sheader->subtype[i],"Type%d",i);
sheader->nparts[i]=sheader->npartg[i];
sheader->mtots[i]=sheader->mtotg[i];
}
//==================================================
//TYPES
//==================================================
if(qsub){
//****************************************
//READ VECTOR OF SUBTYPES
//****************************************
int nsub[NSUB],stype[NSUB],nsubs;
char line[LSIZE],subtype[NSUB][LSIZE];
sprintf(fsnap,"%s.sub",simulation);
file fs=fileOpen(fsnap,"r");
i=0;
while(fgets(line,sizeof line,fs)!=NULL){
sscanf(line,"%d %d %s",&nsub[i],&stype[i],subtype[i]);
sheader->nparts[i]=0;
sheader->mtots[i]=0;
sheader->stype[i]=stype[i];
strcpy(sheader->subtype[i],subtype[i]);
i++;
}
nsubs=i;
sheader->nsubs=nsubs;
fclose(fs);
//****************************************
//ASSIGN SUBTYPES TO PARTICLES
//****************************************
for(i=0;i<ntot;i++){
int nacum=0;
for(j=0;j<nsubs;j++){
if(parts[i].sid>=nacum &&
parts[i].sid<nacum+nsub[j]){
parts[i].tid=stype[j];
sheader->nparts[j]++;
sheader->mtots[j]+=parts[i].m;
break;
}
nacum+=nsub[j];
}
//fprintf(stdout,"Particle %d of substructure %d\n",i,parts[i].tid);
}
//i=4;fprintf(stdout,"Total particles in substructure %d: %d\n",stype[i],sheader->nparts[i]);
}
//==================================================
//SOFTENING LENGTHS
//==================================================
real sg,sh,sd,sb,ss,sy;
sprintf(fparam,"%s.param",simulation);
readGadgetParam(fparam,"SofteningGas",'f',&sh);
readGadgetParam(fparam,"SofteningHalo",'f',&sh);
readGadgetParam(fparam,"SofteningDisk",'f',&sd);
readGadgetParam(fparam,"SofteningBulge",'f',&sb);
readGadgetParam(fparam,"SofteningStars",'f',&ss);
readGadgetParam(fparam,"SofteningBndry",'f',&sy);
for(i=0;i<ntot;i++){
switch(parts[i].gtype){
case 0:parts[i].h=sg;break;
case 1:parts[i].h=sh;break;
case 2:parts[i].h=sd;break;
case 3:parts[i].h=sb;break;
case 4:parts[i].h=ss;break;
case 5:parts[i].h=sy;break;
}
}
//HEADER REQUIRES AN UPDATE: JTOT, RCM, VCM
sheader->qupdate=true;
sheader->rf=0;
constVector(&sheader->jtot,0.0);
constVector(&sheader->rcm,0.0);
constVector(&sheader->vcm,0.0);
return parts;
}
/*
This routine update derivative properties of particles: position in
cylindrical coordinates, angular momentum, radial distance, circular
velocity, circular angular momentum, epsilon parameter
*/
/*P*/
int updateParticles(particles parts,SHeader sheader)
{
int i,j;
size_t* sids;
double* rs;
sids=(size_t*)malloc(sheader.ntot*sizeof(size_t));
rs=(double*)malloc(sheader.ntot*sizeof(double));
for(i=0;i<sheader.ntot;i++){
//ANGULAR MOMENTUM
crossVector(&parts[i].j,parts[i].pos,parts[i].vel);
scaleVector(&parts[i].j,parts[i].m,parts[i].j);
//COMPUTE THE RADIAL POSITION
parts[i].r=magVector(parts[i].pos);
//CONVERT TO CYLINDRICAL COORDINATES
cylVector(&parts[i].posc,parts[i].pos);
cylVector(&parts[i].velc,parts[i].vel);
/*
printf("Part.%d: Cartesian %s -> Cylindrical %s\n",
i,vector2str(parts[i].pos),vector2str(parts[i].posc));
//*/
/*
printf("Part.%d: Cartesian %s -> Cylindrical %s\n",
i,vector2str(parts[i].vel),vector2str(parts[i].velc));
//*/
//STORE VECTORS OF RADIAL DISTANCES
rs[i]=parts[i].r;
}
//SORT BY r
gsl_sort_index(sids,rs,1,sheader.ntot);
//COMPUTE THE CIRCULAR VELOCITY, MOMENTUM AND EPSILON PARAMETER
//First particle
parts[sids[0]].vcirc=0;
parts[sids[0]].jcirc=0;
parts[sids[0]].epsilon=0;
size_t sid;
real mr;
//Content mass
mr=parts[sids[0]].m;
for(i=1;i<sheader.ntot;i++){
sid=sids[i];
parts[sid].vcirc=sqrt(GGAD*mr/parts[sid].r);
parts[sid].jcirc=parts[sid].m*parts[sid].vcirc*parts[sid].r;
parts[sid].epsilon=parts[sid].j.z/parts[sid].jcirc;
/*
printf("Particle %lu: mr=%e, vcirc=%e, jcirc=%e, jz=%e, epsilon=%e\n",
sid,mr,parts[sid].vcirc,parts[sid].jcirc,parts[sid].j.z,parts[sid].epsilon);
//*/
mr+=parts[sid].m;
}
return 0;
}
/*
This routine recounts the number of particles and compute the total
angular momentum, the position and velocity of the center of mass
and update other important information about the simulation
*/
/*P*/
int updateHeader(particles parts,SHeader *sheader)
{
int st,stype,gtype;
for(st=0;st<sheader->nsubs;st++){
stype=sheader->stype[st];
sheader->nparts[st]=0;
sheader->mtots[st]=0;
}
for(gtype=0;gtype<6;gtype++){
sheader->npartg[gtype]=0;
sheader->mtotg[gtype]=0;
}
constVector(&sheader->jtot,0.0);
constVector(&sheader->rcm,0.0);
constVector(&sheader->vcm,0.0);
/*
printf("Total number of particles %d\n",sheader->ntot);
printf("Total number of subtypes %d\n",sheader->nsubs);
*/
//TOTAL MASS
sheader->mtot=0;for(int i=0;i<sheader->ntot;i++) sheader->mtot+=parts[i].m;
for(int i=0;i<sheader->ntot;i++){
//============================================================
//DETERMINE THE TYPE OF PARTICLE AND ACCUMULATE NUM. AND MASS
//============================================================
for(st=0;st<sheader->nsubs;st++){
stype=sheader->stype[st];
if(parts[i].tid==stype){
sheader->nparts[st]++;
sheader->mtots[st]+=parts[i].m;
break;
}
}
for(gtype=0;gtype<6;gtype++){
if(parts[i].gtype==gtype){
sheader->npartg[gtype]++;
sheader->mtotg[gtype]+=parts[i].m;
break;
}
}
//============================================================
//COMPUTE THE TOTAL ANGULAR MOMENTUM,CENTER OF MASS PROPERTIES
//============================================================
sumVector(&sheader->jtot,1,parts[i].j,sheader->jtot);
sumVector(&sheader->rcm,parts[i].m/sheader->mtot,parts[i].pos,sheader->rcm);
sumVector(&sheader->vcm,parts[i].m/sheader->mtot,parts[i].vel,sheader->vcm);
}
/*
printf("\nTotal mass: %e\n",sheader->mtot);
printf("\nTotal angular momentum: %s\n",vector2str(sheader->jtot));
printf("rcm: %s\n",vector2str(sheader->rcm));
printf("vcm: %s\n",vector2str(sheader->vcm));
for(st=0;st<sheader->nsubs;st++){
stype=sheader->stype[st];
printf("Simulation type %d:\n",stype);
printf("\tTotal number\t%d\n",sheader->nparts[st]);
printf("\tTotal mass of sim.type\t%e\n",sheader->mtots[st]);
}
printf("\n\n");
for(gtype=0;gtype<6;gtype++){
printf("Gadget type %d:\n",gtype);
printf("\tTotal number\t%d\n",sheader->npartg[gtype]);
printf("\tTotal mass of sim.type\t%e\n",sheader->mtotg[gtype]);
}
printf("\n");
//*/
}
/*P*/
int checkSimulation(SHeader sheader)
{
int i;
TITLE(stdout,'=',"SIMULATION CHECK");
fprintf(stdout,"#NTOT,MTOT\t%-7d %+14.7e\n",sheader.ntot,sheader.mtot);
fprintf(stdout,"#NPART.G\t");
for(i=0;i<=5;i++)
fprintf(stdout,"%-7d\t",sheader.npartg[i]);
fprintf(stdout,"\n");
fprintf(stdout,"#MTOT.G.\t");
for(i=0;i<=5;i++)
fprintf(stdout,"%+14.7e\t",sheader.mtotg[i]);
fprintf(stdout,"\n");
fprintf(stdout,"#NSUBS\t\t%d\n",sheader.nsubs);
fprintf(stdout,"#SUBS.ID.\t");
for(i=0;i<sheader.nsubs;i++)
fprintf(stdout,"%-2d ",sheader.stype[i]);
fprintf(stdout,"\n");
fprintf(stdout,"#SUBS.STR.\t");
for(i=0;i<sheader.nsubs;i++)
fprintf(stdout,"%-s ",sheader.subtype[i]);
fprintf(stdout,"\n");
fprintf(stdout,"#NPART.SIM.\t");
for(i=0;i<sheader.nsubs;i++)
fprintf(stdout,"%-7d ",sheader.nparts[i]);
fprintf(stdout,"\n");
fprintf(stdout,"#MTOT.SIM.\t");
for(i=0;i<sheader.nsubs;i++)
fprintf(stdout,"%+14.7e\t",sheader.mtots[i]);
fprintf(stdout,"\n");
fprintf(stdout,"#ANG.MOM.TOT\t%44s\n",vector2str(sheader.jtot));
fprintf(stdout,"#POSIT.CM\t%44s\n",vector2str(sheader.rcm));
fprintf(stdout,"#VELOC.CM\t%44s\n",vector2str(sheader.vcm));
fprintf(stdout,"#Z,OL,HO,BOX\t%+14.7e %+14.7e %+14.7e %+14.7e\n",
sheader.z,sheader.omegaL,sheader.Ho,sheader.boxsize);
fprintf(stdout,"#REF.FRAME\t%-2d\n",sheader.rf);
BAR(stdout,'=');
return 0;
}
/*P*/
int writeSimulation(particles parts,SHeader sheader,char simfile[],int frac/*=1=*/)
{
file fs=fileOpen(simfile,"w");
int i,j;
//======================================================================
//WRITE HEADER
//======================================================================
fprintf(fs,"#NTOT,MTOT:\t%-7d %+14.7e\n",sheader.ntot,sheader.mtot);
fprintf(fs,"#NPART.G:\t");
for(i=0;i<=5;i++)
fprintf(fs,"%-7d\t",sheader.npartg[i]);
fprintf(fs,"\n");
fprintf(fs,"#MTOT.G.:\t");
for(i=0;i<=5;i++)
fprintf(fs,"%+14.7e\t",sheader.mtotg[i]);
fprintf(fs,"\n");
fprintf(fs,"#NSUBS:\t\t%d\n",sheader.nsubs);
fprintf(fs,"#SUBS.ID.:\t");
for(i=0;i<sheader.nsubs;i++)
fprintf(fs,"%-2d ",sheader.stype[i]);
fprintf(fs,"\n");
fprintf(fs,"#SUBS.STR.:\t");
for(i=0;i<sheader.nsubs;i++)
fprintf(fs,"%-s ",sheader.subtype[i]);
fprintf(fs,"\n");
fprintf(fs,"#NPART.SIM.:\t");
for(i=0;i<sheader.nsubs;i++)
fprintf(fs,"%-7d ",sheader.nparts[i]);
fprintf(fs,"\n");
fprintf(fs,"#MTOT.SIM.:\t");
for(i=0;i<sheader.nsubs;i++)
fprintf(fs,"%+14.7e ",sheader.mtots[i]);
fprintf(fs,"\n");
fprintf(fs,"#ANG.MOM.TOT:\t%44s\n",vector2str(sheader.jtot));
fprintf(fs,"#POSIT.CM:\t%44s\n",vector2str(sheader.rcm));
fprintf(fs,"#VELOC.CM:\t%44s\n",vector2str(sheader.vcm));
fprintf(fs,"#Z,OL,HO,BOX:\t%+14.7e %+14.7e %+14.7e %+14.7e\n",
sheader.z,sheader.omegaL,sheader.Ho,sheader.boxsize);
fprintf(fs,"#REF.FRAME:\t%-2d\n",sheader.rf);
//======================================================================
//DESCRIBE FIELDS
//======================================================================
fprintf(fs,
"%-7s %-7s %-7s %-7s "
"%-14s %-14s "
"%-44s %-44s %-44s %-44s "
"%-44s "
"%-14s %-14s %-14s %-14s\n",
"#1:sid","2:pid","3:tid","4:gtype",
"5:m","6:h",
"7:pos","10:vel","13:posc","16:velc",
"19:j",
"22:r","23:vc","24:jc","25:eps");
//======================================================================
//WRITE DATA
//======================================================================
for(i=0;i<sheader.ntot;i++){
if((i%frac)==0)
fprintf(fs,"%s\n",particle2str(parts[i]));
}
fclose(fs);
return 0;
}
/*P*/
particles readSimulation(char simfile[],SHeader* sheader)
{
file fs=fileOpen(simfile,"r");
char ctmp[500];
int i,j;
particles parts;
//======================================================================
//READ HEADER
//======================================================================
fscanf(fs,"%s %d %f",ctmp,&sheader->ntot,&sheader->mtot);
fscanf(fs,"%s",ctmp);
for(i=0;i<=5;i++)
fscanf(fs,"%d",&sheader->npartg[i]);
fscanf(fs,"%s",ctmp);
for(i=0;i<=5;i++)
fscanf(fs,"%f",&sheader->mtotg[i]);
fscanf(fs,"%s %d",ctmp,&sheader->nsubs);
fscanf(fs,"%s",ctmp);
for(i=0;i<sheader->nsubs;i++)
fscanf(fs,"%d",&sheader->stype[i]);
fscanf(fs,"%s",ctmp);
for(i=0;i<sheader->nsubs;i++)
fscanf(fs,"%s",sheader->subtype[i]);
fscanf(fs,"%s",ctmp);
for(i=0;i<sheader->nsubs;i++)
fscanf(fs,"%d",&sheader->nparts[i]);
fscanf(fs,"%s",ctmp);
for(i=0;i<sheader->nsubs;i++)
fscanf(fs,"%f",&sheader->mtots[i]);
fscanf(fs,"%s %f %f %f",ctmp,&sheader->jtot.x,&sheader->jtot.y,&sheader->jtot.z);
fscanf(fs,"%s %f %f %f",ctmp,&sheader->rcm.x,&sheader->rcm.y,&sheader->rcm.z);
fscanf(fs,"%s %f %f %f",ctmp,&sheader->vcm.x,&sheader->vcm.y,&sheader->vcm.z);
fscanf(fs,"%s %f %f %f %f",ctmp,
&sheader->z,&sheader->omegaL,&sheader->Ho,&sheader->boxsize);
fscanf(fs,"%s %d",ctmp,&sheader->rf);
fgets(ctmp,sizeof ctmp,fs);fgets(ctmp,sizeof ctmp,fs);
//======================================================================
//INFORMATION IN HEADER FILE COULD BE DIFFERENT THAT ACTUAL DATA
//======================================================================
sheader->ntot=countLines(simfile);
//======================================================================
//READ PARTICLE DATA
//======================================================================
parts=(particles)malloc(sheader->ntot*sizeof(particle));
for(i=0;i<sheader->ntot;i++){
fgets(ctmp,sizeof ctmp,fs);
str2particle(ctmp,&parts[i]);
//fprintf(stdout,"Particle %d: %s\n",i,particle2str(parts[i]));
//break;
}
fclose(fs);
//Update particle and header information
updateParticles(parts,*sheader);
updateHeader(parts,sheader);
return parts;
}
/*P*/
cadena str2particle(char str[],particle *part)
{
sscanf(str,
"%d %d %d %d "
"%f %f "
"%f %f %f "
"%f %f %f "
"%f %f %f "
"%f %f %f "
"%f %f %f "
"%f %f %f %f ",
&part->sid,&part->pid,&part->tid,&part->gtype,
&part->m,&part->h,
&part->pos.x,&part->pos.y,&part->pos.z,
&part->vel.x,&part->vel.y,&part->vel.z,
&part->posc.x,&part->posc.y,&part->posc.z,
&part->velc.x,&part->velc.y,&part->velc.z,
&part->j.x,&part->j.y,&part->j.z,
&part->r,&part->vcirc,&part->jcirc,&part->epsilon
);
return 0;
}
/*P*/
cadena particle2str(particle part)
{
cadena str;
str=(cadena)malloc(500*sizeof(char));
sprintf(str,
"%-7d %-7d %-7d %-7d "
"%+14.7e %+14.7e "
"%44s %44s %44s %44s "
"%44s "
"%+14.7e %+14.7e %+14.7e %+14.7e ",
part.sid,part.pid,part.tid,part.gtype,
part.m,part.h,
vector2str(part.pos),vector2str(part.vel),
vector2str(part.posc),vector2str(part.velc),
vector2str(part.j),
part.r,part.vcirc,part.jcirc,part.epsilon
);
return str;
}
/*
Usage:
readGadgetParam("SNAP.param","SofteningDisk",'f',&T);
readGadgetParam("SNAP.param","ICFormat",'d',&d);
readGadgetParam("SNAP.param","InitCondFile",'s',cadena);
*/
/*P*/
int readGadgetParam(char paramfile[],const char variable[],char type,void *result)
{
char tmpfile[]="/tmp/readgad";
char cmd[FSIZE];
char value[100];
float tmp;
sprintf(cmd,"grep '^%s ' %s | awk '{print $2}' > %s",variable,paramfile,tmpfile);
system(cmd);
FILE *fp=fopen(tmpfile,"r");
fscanf(fp,"%s",value);
fclose(fp);
if(VERBOSE(2))
fprintf(stdout,"Value read from param. file : %s\n",value);
switch(type){
case 'f':{
float *valread=(float*)result;
*valread=atof(value);
break;
}
case 'd':{
int *valread=(int*)result;
*valread=atoi(value);
break;
}
case 's':{
char *valread=(char*)result;
strcpy(valread,value);
break;
}
}
}
//&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
//ANALYSIS
//&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
/*P*/
int transformSimulation(particles parts,SHeader *sheader,
vector ro,vector vo,vector jo)
{
int i;
real M1[3][3],M2[3][3],M3[3][3],M4[3][3];
vector vec1,vec2;
real alpha,beta,phi,theta,chi,delta;
//////////////////////////////////////////
//TRANSLATE TO RO
//////////////////////////////////////////
for(i=0;i<sheader->ntot;i++){
sumVector(&parts[i].pos,-1,ro,parts[i].pos);
sumVector(&parts[i].vel,-1,vo,parts[i].vel);
}
//////////////////////////////////////////
//ROTATE TO JO
//////////////////////////////////////////
if(jo.x!=0 || jo.y!=0){
//GET THE ROTATION ANGLES
phi = atan(fabs(jo.y)/fabs(jo.x));
theta = atan(fabs(jo.z)/fabs(jo.x));
phi = phi*180.0/M_PI;
theta = theta*180.0/M_PI;
//printf("phi=%lf theta=%lf\n",phi,theta);
//Z-ANGLE
if((jo.x>=0.0) && (jo.y>=0.0))
alpha = fabs(phi);
if((jo.x<0.0) && (jo.y>=0.0))
alpha = 180.0-fabs(phi);
if((jo.x<0.0) && (jo.y<0.0))
alpha = 180.0+fabs(phi);
if((jo.x>=0.0) && (jo.y<0.0))
alpha = 360.0-fabs(phi);
//Y-ANGLE
if((jo.x>=0.0) && (jo.z>=0.0))
beta = 270.0+fabs(theta);
if((jo.x<0.0) && (jo.z>=0.0))
beta = 90.0-fabs(theta);
if((jo.x<0.0) && (jo.z<0.0))
beta = 90.0+fabs(theta);
if((jo.x>=0.0) && (jo.z<0.0))
beta = 270.0-fabs(theta);
alpha = alpha*M_PI/180.0;
beta = beta*M_PI/180.0;
chi = chi*M_PI/180.0;
delta = delta*M_PI/180.0;
//rotate about Z
M1[0][0]=cos(alpha);
M1[0][1]=sin(alpha);
M1[0][2]=0.0;
M1[1][0]=-sin(alpha);
M1[1][1]=cos(alpha);
M1[1][2]=0.0;
M1[2][0]=0.0;
M1[2][1]=0.0;
M1[2][2]=1.0;
//rotate about Y
M2[0][0]=cos(beta);
M2[0][1]=0.0;
M2[0][2]=sin(beta);
M2[1][0]=0.0;
M2[1][1]=1.0;
M2[1][2]=0.0;
M2[2][0]=-sin(beta);
M2[2][1]=0.0;
M2[2][2]=cos(beta);
//rotate about Z
M3[0][0]=cos(chi);
M3[0][1]=sin(chi);
M3[0][2]=0.0;
M3[1][0]=-sin(chi);
M3[1][1]=cos(chi);
M3[1][2]=0.0;
M3[2][0]=0.0;
M3[2][1]=0.0;
M3[2][2]=1.0;
//rotate about X
M4[0][0]=1.0;
M4[0][1]=0.0;
M4[0][2]=0.0;
M4[1][0]=0.0;
M4[1][1]=cos(delta);
M4[1][2]=sin(delta);
M4[2][0]=0.0;
M4[2][1]=-sin(delta);
M4[2][2]=cos(delta);
for(i=0;i<sheader->ntot;i++){
vec1.x=parts[i].pos.x;
vec1.y=parts[i].pos.y;
vec1.z=parts[i].pos.z;
vec2.x=parts[i].vel.x;
vec2.y=parts[i].vel.y;
vec2.z=parts[i].vel.z;
parts[i].pos.x = M1[0][0]*vec1.x + M1[0][1]*vec1.y + M1[0][2]*vec1.z;
parts[i].pos.y = M1[1][0]*vec1.x + M1[1][1]*vec1.y + M1[1][2]*vec1.z;
parts[i].pos.z = M1[2][0]*vec1.x + M1[2][1]*vec1.y + M1[2][2]*vec1.z;
parts[i].vel.x = M1[0][0]*vec2.x + M1[0][1]*vec2.y + M1[0][2]*vec2.z;
parts[i].vel.y = M1[1][0]*vec2.x + M1[1][1]*vec2.y + M1[1][2]*vec2.z;
parts[i].vel.z = M1[2][0]*vec2.x + M1[2][1]*vec2.y + M1[2][2]*vec2.z;
vec1.x=parts[i].pos.x;
vec1.y=parts[i].pos.y;
vec1.z=parts[i].pos.z;
vec2.x=parts[i].vel.x;
vec2.y=parts[i].vel.y;
vec2.z=parts[i].vel.z;
parts[i].pos.x = M2[0][0]*vec1.x + M2[0][1]*vec1.y + M2[0][2]*vec1.z;
parts[i].pos.y = M2[1][0]*vec1.x + M2[1][1]*vec1.y + M2[1][2]*vec1.z;
parts[i].pos.z = M2[2][0]*vec1.x + M2[2][1]*vec1.y + M2[2][2]*vec1.z;
parts[i].vel.x = M2[0][0]*vec2.x + M2[0][1]*vec2.y + M2[0][2]*vec2.z;
parts[i].vel.y = M2[1][0]*vec2.x + M2[1][1]*vec2.y + M2[1][2]*vec2.z;
parts[i].vel.z = M2[2][0]*vec2.x + M2[2][1]*vec2.y + M2[2][2]*vec2.z;
vec1.x=parts[i].pos.x;
vec1.y=parts[i].pos.y;
vec1.z=parts[i].pos.z;
vec2.x=parts[i].vel.x;
vec2.y=parts[i].vel.y;
vec2.z=parts[i].vel.z;
parts[i].pos.x = M3[0][0]*vec1.x + M3[0][1]*vec1.y + M3[0][2]*vec1.z;
parts[i].pos.y = M3[1][0]*vec1.x + M3[1][1]*vec1.y + M3[1][2]*vec1.z;
parts[i].pos.z = M3[2][0]*vec1.x + M3[2][1]*vec1.y + M3[2][2]*vec1.z;
parts[i].vel.x = M3[0][0]*vec2.x + M3[0][1]*vec2.y + M3[0][2]*vec2.z;
parts[i].vel.y = M3[1][0]*vec2.x + M3[1][1]*vec2.y + M3[1][2]*vec2.z;
parts[i].vel.z = M3[2][0]*vec2.x + M3[2][1]*vec2.y + M3[2][2]*vec2.z;
vec1.x=parts[i].pos.x;
vec1.y=parts[i].pos.y;
vec1.z=parts[i].pos.z;
vec2.x=parts[i].vel.x;
vec2.y=parts[i].vel.y;
vec2.z=parts[i].vel.z;
parts[i].pos.x = M4[0][0]*vec1.x + M4[0][1]*vec1.y + M4[0][2]*vec1.z;
parts[i].pos.y = M4[1][0]*vec1.x + M4[1][1]*vec1.y + M4[1][2]*vec1.z;
parts[i].pos.z = M4[2][0]*vec1.x + M4[2][1]*vec1.y + M4[2][2]*vec1.z;
parts[i].vel.x = M4[0][0]*vec2.x + M4[0][1]*vec2.y + M4[0][2]*vec2.z;
parts[i].vel.y = M4[1][0]*vec2.x + M4[1][1]*vec2.y + M4[1][2]*vec2.z;
parts[i].vel.z = M4[2][0]*vec2.x + M4[2][1]*vec2.y + M4[2][2]*vec2.z;
}
}//END ROTATION
//UPDATE PARTICLE AND HEADER
updateParticles(parts,*sheader);
updateHeader(parts,sheader);
return 0;
}
/*P*/
real* sliceSimulation(particles parts,int ini,int end,size_t member)
{
int i;
real* vals=(real*)calloc((end-ini+1),sizeof(real));
for(i=ini;i<=end;i++)
vals[i-ini]=GET_MEMBER(parts[i],real,member);
return vals;
}
//&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
//VECTOR
//&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
/*P*/
int constVector(vector* v,real k)
{
v->x=k;
v->y=k;
v->z=k;
}
/*P*/
int scaleVector(vector* v,real k,vector u)
{
v->x=k*u.x;
v->y=k*u.y;
v->z=k*u.z;
}
/*P*/
int sumVector(vector* v,real k,vector u1,vector u2)
{
v->x=k*u1.x+u2.x;
v->y=k*u1.y+u2.y;
v->z=k*u1.z+u2.z;
}
/*P*/
int crossVector(vector* v,vector u1,vector u2)
{
v->x=+(u1.y*u2.z-u1.z*u2.y);
v->y=-(u1.x*u2.z-u1.z*u2.x);
v->z=+(u1.x*u2.y-u1.y*u2.x);
}
/*P*/
real distVector(vector v1,vector v2)
{
vector dx;
sumVector(&dx,-1,v2,v1);
return magVector(dx);
}
/*P*/
int copyVector(vector* v,vector u)
{
v->x=u.x;
v->y=u.y;
v->z=u.z;
}
/*P*/
real magVector(vector v)
{
return sqrt(v.x*v.x+v.y*v.y+v.z*v.z);
}
/*
Transform the components of a vector to cyclindrical coordinates
*/
/*P*/
int cylVector(vector *v,vector u)
{
real r;
//v->x stands for R
v->x=sqrt(u.x*u.x+u.y*u.y);
r=sqrt(v->x*v->x+u.z*u.z);
//v->y stands for phi
v->y=atan2(u.y,u.x);
v->y=v->y<0?2*M_PI+v->y:v->y;
//v->z stands for theta
//v->z=u.z;
v->z=acos(u.z/r);
}
/*P*/
cadena vector2str(vector r)
{
cadena str=(cadena)malloc(100*sizeof(char));
sprintf(str,"%+14.7e %+14.7e %+14.7e",r.x,r.y,r.z);
return str;
}
/*P*/
int arrayPrintf(file stream,const char frm[],real v[],int n)
{
for(int i=0;i<n;i++)
fprintf(stream,frm,v[i]);
return 0;
}
/*P*/
int arrayVector(vector *v,real a[])
{
v->x=a[0];
v->y=a[1];
v->z=a[2];
}
/*P*/
real arrayMin(real* array,int n)
{
int i;
real min=MAXREAL;
for(i=0;i<n;i++)
SET_MIN(min,array[i]);
return min;
}
/*P*/
real arrayMax(real* array,int n)
{
int i;
real max=MINREAL;
for(i=0;i<n;i++)
SET_MAX(max,array[i]);
return max;
}
//&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
//UTILITARY
//&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
/*P*/
int fileExists(char *filename)
{
FILE *f;
if((f=fopen(filename,"r"))==NULL) return 0;
else{
fclose(f);
return 1;
}
}
/*P*/
int isBlank(char *string)
{
if(strlen(string)) return 0;
else return 1;
}
/*P*/
int isSpace(char *string)
{
char *pos,tmp[LSIZE];
strcpy(tmp,string);
pos=strtok(tmp,"1234567890");
if(pos==NULL)
return 1;
else if(strcmp(pos,"\n")==0 || strcmp(pos," ")==0)
return 1;
else
return 0;
}
/*P*/
int pause(void)
{
fprintf(stderr,"<ENTER TO CONTINUE/CTRL+C TO CANCEL>");
getc(stdin);
}
/*P*/
file fileOpen(const char filename[],const char mode[])
{
file f;
if((f=fopen(filename,mode))==NULL){
fprintf(stderr,"Error DYNAMO: File '%s' cannot be openned as '%s'\n",
filename,mode);
exit(1);
}
return f;
}
/*P*/
int splitString(char str[],const char sep[],real list[])
{
char wstr[LSIZE];
char tmp[50];
char *pos;
strcpy(wstr,str);
pos=strtok(wstr,sep);
int i=0;
while(pos!=NULL){
strcpy(tmp,pos);
list[i]=atof(tmp);
pos=strtok(NULL,sep);
i++;
}
return i;
}
/*P*/
int splitString(char str[],const char sep[],real2 list[])
{
char wstr[LSIZE];
char tmp[50];
char *pos;
strcpy(wstr,str);
pos=strtok(wstr,sep);
int i=0;
while(pos!=NULL){
strcpy(tmp,pos);
list[i]=atof(tmp);
pos=strtok(NULL,sep);
i++;
}
return i;
}
/*P*/
int splitString(char str[],const char sep[],char list[][LSIZE])
{